| 1 | RBC | Republicair, S.A. de C.V. | Callsign: Republicair, | MEX | AVCODES |
| 2 | RBC | Republicair | | | ICAO1 |
| 3 | RBC | READY BUS LINE COMPANY | | | SCAC4 |
| 4 | RBCA | RED BUD OIL COMPANY | | | SCAC4 |
| 5 | RBCE | RIBCO ENTERPRISES | | | SCAC3 |
| 6 | RBCG | ROBINS CARTAGE | | | SCAC3 |
| 7 | RBCG | ROBINSON, C H WORLDWIDE (CONSOLIDAT | | | SCAC4 |
| 8 | RBCH | RABIDIS, CHRIS | | | SCAC3 |
| 9 | RBCI | ROBERTS CONSOLIDATED INDUSTRIES INC | | | SCAC3 |
| 10 | RBCJ | RIVER BEND CARRIERS INC | | | SCAC4 |
| 11 | RBCK | ROBERSON TRUCKING CO | | | SCAC3 |
| 12 | RBCL | ROBINSON, C H WORLDWIDE (CONSOLIDAT | | | SCAC4 |
| 13 | RBCM | RANKIN BIOMEDICAL CORP | | | SCAC4 |
| 14 | RBCN | R B TRUCKING | | | SCAC4 |
| 15 | RBCO | RABCO TRUCKING | | | SCAC4 |
| 16 | RBCP | RBC TRANSPORT LLC | | | SCAC4 |
| 17 | RBCQ | REMORQUAGE BURSTALL CONRAD INC | | | SCAC4 |
| 18 | RBCR | R B CARRIERS INC | | | SCAC3 |
| 19 | RBCS | BNSF Ry. Co. | added 4/2005; 7/2005 | | NAKINA |
| 20 | RBCS | Burlington Northern R.R. Co. | added 4/1982; 1/1994; eliminated 4/2005 | | NAKINA |
| 21 | RBCS | The Colorado and Southern Ry. Co. | 1/1975-1/1980; eliminated 4/1982 | | NAKINA |
| 22 | RBCS | Colorado & Southern Ry. Co. | 4/1961-4/1970 | | NAKINA |
| 23 | RBCS | Colorado & Southern Ry. Co. | 4/61-4/70 | | NRHS |
| 24 | RBCS | The Colorado and Southern Ry. Co. | 1/75-1/80; eliminated 4/82 | | NRHS |
| 25 | RBCS | Burlington Northern R.R. Co. | added 4/82; 1/94 | | NRHS |
| 26 | RBCS | BNSF [BURLINGTON NORTHERN RAILROAD CO.; COLORADO & SOUTHERN RY.] | | | PWRC |
| 27 | RBCS | Rail-Bridge Corporation (BNSF Railway) | | | RSRV |
| 28 | RBCS | RELIANCE BULK CARRIERS LLC | | | SCAC4 |
| 29 | RBCU | RB HOLDING B.V. | | NL | BIC |
| 30 | RBCU | (PCBX) RAILBRIDGE CORPORATION | | | PWRC |
| 31 | RBCU | Rail-Bridge Corporation (RB Holding) | | | RSRV |
| 32 | RBCU | THE RAIL-BRIDGE CORP | | | SCAC3 |
| 33 | RBCU | RB HOLDING BV | | | SCAC4 |
| 34 | RBCX | The Rail-Bridge Corp. | added 10/1990; 1/1994; 7/2000-7/2005 (not listed) | | NAKINA |
| 35 | RBCX | The Rail-Bridge Corp. | added 10/90; 1/94-7/2000 | | NRHS |
| 36 | RBCX | RAIL-BRIDGE CORPORATION | | | PWRC |
| 37 | RBCX | Rail-Bridge Corporation | | | RSRV |
| 38 | RBCX | RAILBRIDGE CORPORATION | | | SCAC4 |
| 39 | RBCY | R & B COMPANY | | | SCAC3 |
